Viewing archive of Wednesday, 20 April 2022
Geophysical report
Solar and Geophysical Activity Summary 2022 Apr 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 110 Issued at 0245Z on 20 Apr 2022 This report is compiled from data received at SWO on 19 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0443 0450 0459 2993 M1.0 29 150 0727 0727 0727 330 0949 0953 0957 2993 N22E40 C6.3 Sf 200 2039 2049 2058 2992 M3.7 2109 2113 2118 2994 N14E47 M1.6 Sn
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled during the period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 135 SSN 068 Afr/Ap 008/007 X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+05 GT 10 MeV 4.1e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.20e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 1 2 2 2 1 1 Planetary 3 3 1 1 2 1 0 1
F. Comments
None
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Norilsk, VorkutaLatest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
08:12 UTC - Hemispheric Power Index
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 148.6 +14.4 |
| Last 30 days | 137.1 -0.2 |